Sealing device
AssigneeVoith Patent GmbH
InventorJochen Honold
Life of this patent
Estimating the term…
Abstract
A sealing device for sealing at least one underpressure or overpressure zone adjoining a surface which is moved in a movement direction in a paper, tissue or cardboard machine, includes at least one sealing element which is located opposite the moved surface and has at least one feed channel for a lubricant. In order to considerably decrease the wear of a sealing element uniformly over the entire length thereof, the at least one feed channel ends in a supply channel, which is arranged at the beginning of the sealing element in the movement direction.
Claims9
A machine for processing a fibrous web material, the machine comprising a sealing device sealing a suction box adjoining the interior of a moving surface in a direction of movement of the machine, the sealing device comprising:
- a first sealing element and a second sealing element one on each side of the suction box and located opposite the moving surface, each said first sealing element and said second sealing element being a single monolithic element and including:
- a side surface;
- a sealing surface extending approximately horizontally in the direction of movement such that said sealing surface faces said moving surface;
- a supply channel in the form of a cutout facing the direction of movement, said supply channel being a first cutout portion in the sealing surface and a second cutout portion in the side surface, said supply channel having a first inclined wall and a second inclined wall such that said first and second inclined walls come together at a bed radially inside of said first and second inclined walls, which when said supply channel is viewed in said direction of movement it is arranged at a beginning of each of said first sealing element and said second sealing element and opens outwardly;
- and
- at least one feed channel for a lubricant, said at least one feed channel terminating in the supply channel, wherein said supply channel of the first sealing element faces outside the suction box and said supply channel of the second sealing element faces inside the suction box.
Dependencies are inferred from the claim text.